Enable breakpad building by default on Android.

ppapi/native_client/tools/browser_tester/browsertester/browserlauncher.py

 #!/usr/bin/python
 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import os.path
 import re
 import shutil
 import sys
 import tempfile
@@ skipping 287 matching lines @@
       if disable_sandbox:
         cmd.append('--no-sandbox')
     else:
       cmd.append('--register-pepper-plugins=%s;application/x-nacl'
                  % self.options.ppapi_plugin)
       cmd.append('--no-sandbox')
     if self.options.browser_extensions:
       cmd.append('--load-extension=%s' %
                  ','.join(self.options.browser_extensions))
       cmd.append('--enable-experimental-extension-apis')
+    if self.options.enable_crash_reporter:
+      cmd.append('--enable-crash-reporter-for-testing')
     if self.options.tool == 'memcheck':
       cmd = ['src/third_party/valgrind/memcheck.sh',
              '-v',
              '--xml=yes',
              '--leak-check=no',
              '--gen-suppressions=all',
              '--num-callers=30',
              '--trace-children=yes',
              '--nacl-file=%s' % (self.options.files[0],),
              '--suppressions=' +
              '../tools/valgrind/memcheck/suppressions.txt',
              '--xml-file=%s/xml.%%p' % (self.tool_log_dir,),
              '--log-file=%s/log.%%p' % (self.tool_log_dir,)] + cmd
     elif self.options.tool == 'tsan':
       cmd = ['src/third_party/valgrind/tsan.sh',
              '-v',
              '--num-callers=30',
              '--trace-children=yes',
              '--nacl-file=%s' % (self.options.files[0],),
              '--ignore=../tools/valgrind/tsan/ignores.txt',
              '--suppressions=../tools/valgrind/tsan/suppressions.txt',
              '--log-file=%s/log.%%p' % (self.tool_log_dir,)] + cmd
     elif self.options.tool != None:
       raise LaunchFailure('Invalid tool name "%s"' % (self.options.tool,))
     cmd.extend(self.options.browser_flags)
     cmd.append(url)
     return cmd